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  4. Marion County

Marion County

Ohio

2026-09-23 16:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
4.5
O3
μg/m³
20.8
PM10
μg/m³
8
NO2
μg/m³
5.2
CO
μg/m³
207.1
SO2
μg/m³
0.2
Weather
  • ℃
  • ℉
14℃
97%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • PM10
  • NO2
  • CO
  • SO2
Places included
Claridon Township
AQI 27
Green Camp Township
AQI 27
Marion Township
AQI 28
Montgomery Township
AQI 32
Prospect Township
AQI 29
Salt Rock Township
AQI 34
Waldo Township
AQI 23

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Cities Nearby

Marion
AQI 28
Green Camp
AQI 27
Waldo
AQI 23
Prospect
AQI 29
Caledonia
AQI 27
New Bloomington
AQI 32
Morral
AQI 34
Cardington
AQI 24
Richwood
AQI 24
Ashley
AQI 23
Edison
AQI 26